Door hinge



FIG. 1 is a perspective view of a door hinge embodying the design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines in the drawing figures are for the purpose of illustrating the door hinge in an environmental structure and form no part of the claimed design.

The hinge is shown with a symbolic break in its length indicated by the dot-dash break lines. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a door hinge, as shown and described. 